CVE-2026-76487
A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified…
- Risk score
- 50/100
- CVSS
- 5.3 v3.1
- Exploit chance (30 days)
- 0.5%
- Published
- 21 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct access control bypass attacks on an affected device. This vulnerability is due to improper input validatio…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 5.3 medium
- On your watchlist: cisco
References
Original description
A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct access control bypass attacks on an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to access parts of the network that are beyond the scope of their intended access.
Last activity 21 Oct 2026. Patch Forecast updates every hour.